.box{width:100%;}
.header{width:100%;height:70px;background:skyblue;display:flex;align-items:center;}
.header span{flex-grow:1;text-align:center;}
.infor{width:100%;}
.infor>div{
    width:90%;margin:10px auto;display:flex;
}
.save{width:100%;text-align:center;height:40px;background:skyblue;}
.active{background:pink}